InstanceSupport.java 文件源码

/**
 * Notify all lifecycle event listeners that a particular event has
 * occurred for this Container.  The default implementation performs
 * this notification synchronously using the calling thread.
 *
 * @param type Event type
 * @param servlet The relevant Servlet for this event
 * @param request The servlet request we are processing
 * @param response The servlet response we are processing
 */
public void fireInstanceEvent(String type, Servlet servlet,
                              ServletRequest request,
                              ServletResponse response) {

    if (listeners.length == 0)
        return;

    InstanceEvent event = new InstanceEvent(wrapper, servlet, type,
                                            request, response);
    InstanceListener interested[] = null;
    synchronized (listeners) {
        interested = (InstanceListener[]) listeners.clone();
    }
    for (int i = 0; i < interested.length; i++)
        interested[i].instanceEvent(event);

}